Supplementary Report to The Yellowstone Ecosystem Grizzly Bear Subcommittee
Authors(s): R. R. Knight, S. P. Mealey and C. Servheen
Publication:
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Publication Date: 0000-00-00
Type: Supplementary Report
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Abstract: This alternative for describing a recovered grizzly bear population in the Greater Yellowstone Area relies on indicators of habitat use and numbers of breeding females and man-caused bear deaths rather than total population size. Experiernce by the Interagency Grizzly Bear Study Team (IGBST) since 1973 shows that an accurate estimate of the total population is unlikely because of the difficulty of observing bears and the risk to bears and the financial expense of marking a sufficient sample. Numbers of breeding females and man-caused bear deaths are assumed to have value in estimating population trends. They have no assumed relationship to absolute numbers.
Keywords: animal, mammal, bear, grizzly bear, Ursus arctos horribilis, Ursidae, Greater Yellowstone Ecosystem, habitat, mortality, Interagency Grizzly Bear Study Team (IGBST), population, human activity, breeding, den, denning
| BIBLIOGRAPHY ID | 1564 |
| REF TYPE | Report |
| AUTHORS | R. R. Knight, S. P. Mealey and C. Servheen |
| PUB DATE | 0000-00-00 |
| DATE STR | 0000-00-00 |
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| DOC TITLE | Supplementary Report to The Yellowstone Ecosystem Grizzly Bear Subcommittee |
| PAGE DESC | 13 |
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| DOC TYPE | Supplementary Report |
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| LIBRARY INFO | Black Rock/Grizzly Bear |
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| KEYWORDS | animal, mammal, bear, grizzly bear, Ursus arctos horribilis, Ursidae, Greater Yellowstone Ecosystem, habitat, mortality, Interagency Grizzly Bear Study Team (IGBST), population, human activity, breeding, den, denning |
| ABSTRACT | This alternative for describing a recovered grizzly bear population in the Greater Yellowstone Area relies on indicators of habitat use and numbers of breeding females and man-caused bear deaths rather than total population size. Experiernce by the Interagency Grizzly Bear Study Team (IGBST) since 1973 shows that an accurate estimate of the total population is unlikely because of the difficulty of observing bears and the risk to bears and the financial expense of marking a sufficient sample. Numbers of breeding females and man-caused bear deaths are assumed to have value in estimating population trends. They have no assumed relationship to absolute numbers. |
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Posted on
Sun, July 31, 2011
by Beringia South